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|a 54(86)(061.3)
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| 111 |
2 |
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|a Seminario sobre la química en función del desarrollo colombiano
|c Rionegro
|d 1971
|9 61821
|
| 245 |
1 |
0 |
|a Trabajos
|
| 260 |
|
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|a Rionegro (Antioquía),
|c 1971.
|
| 300 |
|
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|a 184 p. :
|b il., tablas ;
|c 24 cm.
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| 500 |
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|a Organizado por el Instituto de integración cultural
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| 650 |
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|a QUIMICA-COLOMBIA-CONGRESOS, CONFERENCIAS, ETC.
|9 61822
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| 942 |
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|c 74791
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
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